Probably the best thing on the internet today is the Tumblr "things fitting perfectly into things".
The title sums up the mission goal pretty neatly.
Drinks fitting into other drinks, yoghurt fitting into sinkholes, God, the mind boggles the more you scroll down the page. The infinite happy coincidences we walk past every day without realising.
Especially with the entry above, the possibilities of which are simply...
Things fitting perfectly into things [Tumblr]